(A) Add the following fractions. 1. 7/8+2/3
2. 4/5+5/6
3. ¾+1/3
4. 4/7+3/5
5. 11/12+¾
(B) Subtract the following fractions.
1. 5/7-¼
2. 8/9-2/7
3. 7/10-1/5
4. 11/12-5/8
5. 9/15-1/3
(C) Subtract the following fractions.
1. 5-3/6
2. 10-7/9
3. 20-6/8
4. 15-4/10
5. 7-3/9

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the answer is mp

step-by-step explanation:

answer: 1.06 km per sec

step-by-step explanation:

39.6 m=63.72 km

60 min in an hour so 63.72/60=1.06

first the equation needs to be simplified. so the equation would now look like:   52-24+11

then you multiply.

and when you multiply, you will get the answer of 39.  

answer is b.

15

i got this one as well.